🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.7

Radius: 14.9

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.63 AU - 0.91 AU

Year: 451 Days

Day: 7 Hours

Environment

Temp: -167 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,268,050 km

• M1: 185,950 km (0.101 R)
• M2: 650,751 km (0.078 R)
• M3: 1,143,077 km (0.074 R)
• M4: 2,105,141 km (0.065 R)
• M5: 3,222,637 km (0.109 R)
• M6: 4,420,019 km (0.11 R)
• M7: 5,223,210 km (0.119 R)
• M8: 5,845,387 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.4

Radius: 14.7

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.02 AU - 1.26 AU

Year: 812 Days

Day: 13.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,268,050 km

• M1: 182,809 km (0.093 R)
• M2: 823,387 km (0.067 R)
• M3: 1,560,755 km (0.099 R)
• M4: 2,154,060 km (0.1 R)
• M5: 2,750,955 km (0.112 R)
• M6: 3,470,671 km (0.073 R)
• M7: 4,655,635 km (0.05 R)
• M8: 5,573,717 km (0.077 R)
• M9: 6,038,219 km (0.112 R)
• M10: 6,773,343 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.3

Radius: 9.2

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.3 AU - 1.32 AU

Year: 1000 Days

Day: 9.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,268,050 km

• M1: 114,442 km (0.12 R)
• M2: 777,909 km (0.117 R)
• M3: 1,085,183 km (0.093 R)
• M4: 1,481,617 km (0.118 R)
• M5: 2,515,339 km (0.047 R)
• M6: 5,070,919 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.5

Radius: 12.2

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.36 AU - 1.74 AU

Year: 1287 Days

Day: 9.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,268,050 km

• M1: 151,991 km (0.114 R)
• M2: 845,677 km (0.119 R)
• M3: 1,229,694 km (0.104 R)
• M4: 2,087,040 km (0.103 R)
• M5: 2,488,710 km (0.053 R)
• M6: 3,013,200 km (0.075 R)
• M7: 3,412,028 km (0.114 R)
• M8: 3,960,454 km (0.117 R)
• M9: 4,663,265 km (0.103 R)
• M10: 5,412,002 km (0.11 R)
• M11: 7,213,909 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.5

Radius: 8.6

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.4 AU - 1.88 AU

Year: 1401 Days

Day: 14.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,268,050 km

• M1: 106,962 km (0.047 R)
• M2: 503,098 km (0.112 R)
• M3: 1,841,101 km (0.086 R)
• M4: 2,360,505 km (0.1 R)
• M5: 2,882,452 km (0.119 R)
• M6: 4,023,884 km (0.069 R)
• M7: 4,769,479 km (0.087 R)
• M8: 5,185,062 km (0.101 R)
• M9: 7,190,870 km (0.081 R)
• M10: 7,461,044 km (0.108 R)
• M11: 8,528,724 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.8

Radius: 12.8

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.16 AU - 4.08 AU

Year: 4593 Days

Day: 5.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,268,050 km

• M1: 159,172 km (0.065 R)
• M2: 590,612 km (0.034 R)
• M3: 1,161,029 km (0.035 R)
• M4: 1,756,129 km (0.095 R)
• M5: 2,189,514 km (0.047 R)
• M6: 2,744,822 km (0.089 R)
• M7: 3,278,138 km (0.116 R)
• M8: 4,031,214 km (0.1 R)
• M9: 4,675,382 km (0.103 R)
• M10: 6,082,799 km (0.114 R)
• M11: 6,900,501 km (0.12 R)
• M12: 7,552,449 km (0.077 R)
• M13: 8,497,309 km (0.115 R)
• M14: 9,797,613 km (0.098 R)
• M15: 10,537,674 km (0.114 R)
• M16: 11,138,758 km (0.09 R)
• M17: 11,627,046 km (0.03 R)
• M18: 13,031,770 km (0.103 R)
• M19: 17,624,125 km (0.096 R)
• M20: 20,249,269 km (0.11 R)
• M21: 21,246,937 km (0.076 R)
• M22: 23,053,481 km (0.086 R)
• M23: 24,960,405 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.8

Radius: 12.6

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.52 AU - 4.98 AU

Year: 5843 Days

Day: 14.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,268,050 km

• M1: 156,629 km (0.06 R)
• M2: 625,768 km (0.092 R)
• M3: 1,141,881 km (0.109 R)
• M4: 1,762,861 km (0.088 R)
• M5: 2,352,127 km (0.103 R)
• M6: 2,757,238 km (0.093 R)
• M7: 3,463,041 km (0.089 R)
• M8: 5,161,725 km (0.091 R)
• M9: 6,405,781 km (0.071 R)
• M10: 7,022,423 km (0.065 R)
• M11: 8,171,634 km (0.101 R)
• M12: 8,791,418 km (0.067 R)
• M13: 9,553,918 km (0.115 R)
• M14: 10,360,101 km (0.102 R)
• M15: 10,840,759 km (0.062 R)
• M16: 11,803,870 km (0.096 R)
• M17: 15,036,830 km (0.091 R)
• M18: 19,414,812 km (0.078 R)
• M19: 19,962,041 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.5

Radius: 10

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.55 AU - 5.21 AU

Year: 7189 Days

Day: 6.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,268,050 km

• M1: 124,316 km (0.118 R)
• M2: 611,556 km (0.076 R)
• M3: 954,434 km (0.114 R)
• M4: 1,383,930 km (0.101 R)
• M5: 2,147,328 km (0.112 R)
• M6: 3,051,049 km (0.091 R)
• M7: 3,998,452 km (0.101 R)
• M8: 5,832,821 km (0.08 R)
• M9: 6,400,096 km (0.051 R)
• M10: 6,866,542 km (0.096 R)
• M11: 7,681,851 km (0.094 R)
• M12: 8,170,437 km (0.12 R)
• M13: 10,067,937 km (0.085 R)
• M14: 10,562,058 km (0.041 R)
• M15: 11,309,599 km (0.094 R)
• M16: 11,893,031 km (0.12 R)
• M17: 13,226,097 km (0.103 R)
• M18: 13,601,438 km (0.07 R)
• M19: 14,656,103 km (0.086 R)
• M20: 15,645,245 km (0.073 R)
• M21: 16,004,878 km (0.103 R)
• M22: 19,493,650 km (0.09 R)
• M23: 20,546,220 km (0.113 R)
• M24: 21,050,066 km (0.084 R)
• M25: 22,007,792 km (0.09 R)
• M26: 26,467,753 km (0.057 R)
• M27: 29,269,272 km (0.065 R)
• M28: 29,632,945 km (0.117 R)
• M29: 30,648,265 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.2

Radius: 6

Gravity: 27.12 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.16 AU - 10.22 AU

Year: 20115 Days

Day: 19.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,268,050 km

• M1: 74,649 km (0.106 R)
• M2: 376,239 km (0.082 R)
• M3: 567,126 km (0.081 R)
• M4: 1,119,441 km (0.095 R)
• M5: 1,727,706 km (0.05 R)
• M6: 2,324,452 km (0.083 R)
• M7: 2,682,888 km (0.046 R)
• M8: 2,915,064 km (0.069 R)
• M9: 5,737,378 km (0.05 R)
• M10: 6,301,810 km (0.088 R)
• M11: 6,667,128 km (0.109 R)
• M12: 13,748,194 km (0.088 R)
• M13: 14,284,801 km (0.08 R)
• M14: 17,622,629 km (0.114 R)
• M15: 17,892,205 km (0.071 R)
• M16: 19,953,364 km (0.089 R)
• M17: 22,271,981 km (0.086 R)
• M18: 29,911,197 km (0.047 R)
• M19: 33,345,515 km (0.109 R)
• M20: 36,595,080 km (0.084 R)
• M21: 38,976,080 km (0.117 R)
• M22: 44,873,826 km (0.076 R)
• M23: 53,562,620 km (0.057 R)
• M24: 68,485,008 km (0.088 R)
• M25: 70,271,356 km (0.06 R)
• M26: 74,170,325 km (0.127 R)
• M27: 75,108,304 km (0.136 R)
• M28: 76,529,932 km (0.071 R)
• M29: 81,150,113 km (0.112 R)
• M30: 81,398,296 km (0.08 R)
• M31: 82,145,836 km (0.102 R)
• M32: 84,416,134 km (0.063 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.6

Radius: 7.3

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.97 AU - 11.15 AU

Year: 21278 Days

Day: 21.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,268,050 km

• M1: 93,798 km (0.118 R)
• M2: 857,944 km (0.092 R)
• M3: 3,510,314 km (0.084 R)
• M4: 5,216,029 km (0.101 R)
• M5: 5,903,581 km (0.091 R)
• M6: 6,606,990 km (0.117 R)
• M7: 7,001,480 km (0.066 R)
• M8: 7,411,378 km (0.104 R)
• M9: 11,227,619 km (0.051 R)
• M10: 17,060,889 km (0.11 R)
• M11: 17,306,080 km (0.099 R)
• M12: 19,798,680 km (0.054 R)
• M13: 20,342,767 km (0.112 R)
• M14: 23,113,918 km (0.038 R)
• M15: 23,818,524 km (0.097 R)
• M16: 24,745,582 km (0.105 R)
• M17: 25,483,100 km (0.083 R)
• M18: 26,235,128 km (0.087 R)
• M19: 32,291,748 km (0.111 R)
• M20: 33,554,354 km (0.118 R)
• M21: 35,775,882 km (0.039 R)
• M22: 43,176,937 km (0.103 R)
• M23: 44,553,537 km (0.044 R)
• M24: 45,330,848 km (0.112 R)
• M25: 48,858,665 km (0.098 R)
• M26: 49,851,546 km (0.084 R)
• M27: 50,689,294 km (0.092 R)
• M28: 53,084,804 km (0.104 R)
• M29: 54,841,383 km (0.104 R)
• M30: 56,999,930 km (0.112 R)
• M31: 65,399,402 km (0.115 R)
• M32: 66,605,011 km (0.073 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 13,378 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit